A place like the Right Livers' Rest was bound to draw freaks, same as molasses draws flies. 1935, George Goodchild, chapter 5, in Death on the Centre Court: By one o'clock the place was choc-a-bloc.
Swallowing certain types of poisons may cause excessive salivation. According to the National Library of Medicine, pesticides can cause excessive saliva when they are swallowed. Venom from snake bites or insect stings is another type of poisoning that can cause the malady.
It can be for a number of reasons - production of excess saliva by the salivary glands; decreased swallowing; reflux; side effect of certain meds. Often new or ill fitting dental /oral appliances can also contribute to excessive salivation. If you are worried consult a dentist or physician. ...Read more.